Norris Canyon, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norris Canyon, a community in Contra Costa County, California.
Today
56°F
Light Rain
Rain. Mostly cloudy. High near 56, with temperatures falling to around 53 in the afternoon. South southwest wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Norris Canyon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Light Rain | 5 to 9 mph SSW | 80% |
| Tonight | 46°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph ESE | 39% |
| Wednesday | 61°F | Sunny | 7 mph NNW | 1% |
| Wednesday Night | 47°F | Mostly Cloudy | 2 to 7 mph W | 0% |
| Thursday | 65°F | Sunny | 5 mph NNE | 0% |
| Thursday Night | 47°F | Mostly Clear | 5 mph SW | 0% |
| Friday | 67°F | Sunny | 5 mph NNE | 0% |
| Friday Night | 49°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Saturday | 70°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 51°F | Mostly Clear | 0 to 3 mph WSW | 0% |
| Sunday | 69°F | Mostly Sunny | 3 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Monday | 66°F | Partly Sunny | 1 to 5 mph SW | 1% |
| Monday Night | 51°F | Mostly Cloudy | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Norris Canyon (37.746, -121.988). Updated through the day.
Growing snapshot for Norris Canyon
Last spring frost
Mar 8
First fall frost
Dec 22
Growing season
282 days
Hardiness zone
9b
More local growing data for Norris Canyon: nearby ZIP 94583 weather · frost dates · planting calendar · California frost dates
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Mountain View
Climate data from the nearest NOAA station, Mt Diablo Junction, Ca (8.1 mi from Norris Canyon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.